JPS6121195U - Low leakage magnetic flux speaker - Google Patents

Low leakage magnetic flux speaker

Info

Publication number
JPS6121195U
JPS6121195U JP10429184U JP10429184U JPS6121195U JP S6121195 U JPS6121195 U JP S6121195U JP 10429184 U JP10429184 U JP 10429184U JP 10429184 U JP10429184 U JP 10429184U JP S6121195 U JPS6121195 U JP S6121195U
Authority
JP
Japan
Prior art keywords
magnetic flux
leakage magnetic
low leakage
plate
main magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10429184U
Other languages
Japanese (ja)
Other versions
JPH0546400Y2 (en
Inventor
潔 宗村
Original Assignee
ソニー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ソニー株式会社 filed Critical ソニー株式会社
Priority to JP10429184U priority Critical patent/JPS6121195U/en
Publication of JPS6121195U publication Critical patent/JPS6121195U/en
Application granted granted Critical
Publication of JPH0546400Y2 publication Critical patent/JPH0546400Y2/ja
Granted legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図及び第2図は本考案低漏洩磁束型スピーカーの第
1の実施例を示すもので、第1図は界磁部の正面図、第
2図は要部の縦断面図、第3図及び第4図は本考案低漏
洩磁束型スピーカーの第2の実施例を示すもので、第3
図は界磁部の正面図、第4図は要部の縦断面図、第5図
及び第6図は本考案低漏洩磁束型スピーカーの第3の実
施例を示すもので、第5図は界磁部の正面図、第6図は
要部の縦断面図、第7図及び第8図は本考案低漏洩磁束
型スピーカーの第4の実施例を示すもので、第7図は界
磁部の正面図、第8図は要部の縦断面図、第9図は従来
の低漏洩磁束型スピーカーの一例を示す要部の縦断面図
、第10図は従来の低漏洩磁束型スピーカーの別の例を
示す要部の縦断面図である。 符号の説明、1・・・・・・低漏洩磁束型スピーカー、
IA・・・・・・低漏洩磁束型スピーカー、1B・・・
・・・低漏洩磁束型スピーカー、1C・・・・・・低漏
洩磁束型スピーカー、2・・・・・・界磁部、3・・・
・・・センターポール、4・・・・・・ヨーク板、5−
−−−−−メインマグネット、6・・・・・・プレート
、7・・・・・・補助マグネット、9・・・・・・中心
孔、11・・・・・・係合部、15・・・・・・係合部
、18・・・・・・係合部、22・・・・・・係合部。
1 and 2 show the first embodiment of the low leakage magnetic flux speaker of the present invention, in which FIG. 1 is a front view of the field section, FIG. Figures 4 and 4 show the second embodiment of the low leakage magnetic flux speaker of the present invention.
The figure is a front view of the field part, Figure 4 is a vertical sectional view of the main part, Figures 5 and 6 show the third embodiment of the low leakage magnetic flux speaker of the present invention, and Figure 5 shows FIG. 6 is a front view of the field section, FIG. 6 is a vertical sectional view of the main part, FIGS. 7 and 8 show the fourth embodiment of the low leakage magnetic flux speaker of the present invention, and FIG. 8 is a longitudinal sectional view of the main part, Fig. 9 is a longitudinal sectional view of the main part showing an example of a conventional low leakage magnetic flux speaker, and Fig. 10 is a longitudinal sectional view of the main part of a conventional low leakage magnetic flux speaker. FIG. 7 is a vertical cross-sectional view of a main part showing another example. Explanation of symbols, 1...Low leakage magnetic flux type speaker,
IA...Low leakage flux type speaker, 1B...
...Low leakage magnetic flux speaker, 1C...Low leakage magnetic flux speaker, 2...Field section, 3...
... Center pole, 4 ... Yoke plate, 5-
------Main magnet, 6...Plate, 7...Auxiliary magnet, 9...Center hole, 11...Engaging portion, 15. ...Engaging portion, 18...Engaging portion, 22...Engaging portion.

Claims (1)

【実用新案登録請求の範囲】 センターポールを備えたヨーク板と、前記センターポー
ルを囲むようにヨーク板に支持された環状のメインマグ
ネットと、該メインマグネットの反ヨーク板側に配置さ
れ前記センターポールとの間にボイスコイルのための空
隙を形成する中心孔を有するプレートと、磁化方向がメ
インマグネットと逆にされると共に前記ヨーク板の反メ
インマグネット側に支持された環状の補助マグネットと
、凹状空間を有し該空間の奥部で前記補助マグネットと
接し開口部において前記プレートの周縁部と接するバッ
ク力バーとから成る界磁部を備え・た低漏洩磁束型スピ
ーカーであって、前記バック力パーを弾性を有する材料
で形成すると共にバック力バーの開口部先端部にプレー
トの最大外径より小径に形成された係合部を形成し、該
保合部をプレートの周縁部と係合させたことを特徴とす
る低漏洩磁束型スピーカー。 .
[Claims for Utility Model Registration] A yoke plate provided with a center pole, an annular main magnet supported by the yoke plate so as to surround the center pole, and a center pole arranged on the side opposite to the yoke plate of the main magnet. an annular auxiliary magnet whose magnetization direction is opposite to that of the main magnet and supported on the side opposite to the main magnet of the yoke plate; A low leakage magnetic flux speaker comprising a field section having a space and a back force bar that contacts the auxiliary magnet at the back of the space and a back force bar that contacts the peripheral edge of the plate at an opening, The bar is made of an elastic material, and an engaging portion having a diameter smaller than the maximum outer diameter of the plate is formed at the tip of the opening of the back force bar, and the retaining portion is engaged with the peripheral edge of the plate. A low leakage magnetic flux type speaker characterized by: ..
JP10429184U 1984-07-10 1984-07-10 Low leakage magnetic flux speaker Granted JPS6121195U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10429184U JPS6121195U (en) 1984-07-10 1984-07-10 Low leakage magnetic flux speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10429184U JPS6121195U (en) 1984-07-10 1984-07-10 Low leakage magnetic flux speaker

Publications (2)

Publication Number Publication Date
JPS6121195U true JPS6121195U (en) 1986-02-07
JPH0546400Y2 JPH0546400Y2 (en) 1993-12-03

Family

ID=30663643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10429184U Granted JPS6121195U (en) 1984-07-10 1984-07-10 Low leakage magnetic flux speaker

Country Status (1)

Country Link
JP (1) JPS6121195U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55118299A (en) * 1979-03-07 1980-09-11 Senzaki Seisakusho:Kk Low leakage magnetic flux type speaker
JPS56128795U (en) * 1980-02-29 1981-09-30
JPS5728586U (en) * 1980-07-23 1982-02-15

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141250A (en) * 1979-04-23 1980-11-05 Kogyo Gijutsuin Artificial heart pump for auxiliary circulation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55118299A (en) * 1979-03-07 1980-09-11 Senzaki Seisakusho:Kk Low leakage magnetic flux type speaker
JPS56128795U (en) * 1980-02-29 1981-09-30
JPS5728586U (en) * 1980-07-23 1982-02-15

Also Published As

Publication number Publication date
JPH0546400Y2 (en) 1993-12-03

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